Answer:
D. All of the above.
Explanation:
Their are many reasons why economists study the perfect competition model but we will focus on the options given and it is certified that all of them are the reason for this. Because it is used as a benchmark to compare with other market structures etc.
Firms can enter and leave the market without any restrictions , therefore, there is free entry and exit into and out of the market.
A perfectly competitive firm is known to be a price taker because the pressure of competing firms forces them to accept the prevailing equilibrium price in the market. If a firm in a perfectly competitive market raises the price of its product by so much as a penny, it will lose all of its sales to competitors.
NIMS doctrine provide for the emergency response community;
- A common approach to help the whole community
- The management personnel and volunteer can be effective at every place
<h3>
What is National Incident Management System (NIMS)?</h3>
It is an approach put together by government to management various incident or happening.
The organization works with private sector to mitigate adverse effects.
Therefore, NIMS doctrine provide for the emergency response to community using a common approach to help.
Learn more on incident management here,
brainly.com/question/26875423
behavior subject to operant conditioning, and involuntary behavior is everything else. It might be clearer to define voluntary behavior as fully transparent to reinforcement.
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